CN101016708A - Application of shape memory polymer paper and preparing method thereof - Google Patents
Application of shape memory polymer paper and preparing method thereof Download PDFInfo
- Publication number
- CN101016708A CN101016708A CN 200710071852 CN200710071852A CN101016708A CN 101016708 A CN101016708 A CN 101016708A CN 200710071852 CN200710071852 CN 200710071852 CN 200710071852 A CN200710071852 A CN 200710071852A CN 101016708 A CN101016708 A CN 101016708A
- Authority
- CN
- China
- Prior art keywords
- memory polymer
- paper
- shape memory
- shape
- template
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
A method for preparing shape memory polymer paper can resolve the problems of one-time application and non-correction of written error or the like. The inventive paper can be used to produce refreshable blind paper or refreshable touch array keyboard between blind and computer. And the method comprises that preparing template, mounting baffle plate, preparing mixture, laying demould paper on a template face, suspending a suspension rod above the template, pouring mixture into the demould paper, adjusting the distance between the suspension rod and the template, moving the suspension rod, heating and solidifying. And the method also can comprises that putting the shape memory polymer solid into a metal mould, putting the mould under a heat press to be heated and pressurized, quenching, increasing pressure, and pressing. The invention can circulate paper and save resource.
Description
Technical field
The present invention relates to the new purposes of shape memory polymer paper and the manufacture method of shape memory polymer paper thereof.
Background technology
Braille is the dot matrix of writing on the braille paper of special use.The blind person can read by the projection of lattice-like on the touch paper with the visually impaired people and exchange.Existing braille paper has two kinds.A kind of is common paper, and its feature is exactly thicker.The shortcoming of this paper is can only be used for writing temporarily and reading, because even under small external force effect, the lip-deep projection of paper also is easy to disappear.Another kind is common polymer paper, utilizes pin pen and slate to produce impression on general polymer paper, and this impression is nonvolatil, so general polymerization thing braille paper has disposable.For above two kinds of paper,, even mistake is very small, all can't correct, nor can refresh use in case clerical error occurs.The touch array keyboard of blind person and computer interactive, it is the braille display device that links to each other with computer, be a kind of 3 * 2 special dot matrix keyboards, the blind person can touch through mechanically operated point-like projection and read computer documents, the structure more complicated of the touch array keyboard of existing blind person and computer interactive, use difficulty, big, the poor reliability of taking up room, maintenance inconvenience, the motion repeatedly of machinery has consumed the energy, can not refresh use.
Summary of the invention
The present invention can not revise for disposable use, the clerical error of the touch array keyboard that solves existing braille paper and blind person and computer interactive and the problem of refreshable use not, and the present provides a kind of application and manufacture method thereof of shape memory polymer paper.
The application of shape memory polymer paper, described shape memory polymer paper is as the refreshable touch array keyboard of refreshable braille paper or blind person and computer interactive.
The manufacture method of foregoing shape memory polymer paper is finished by following steps: one, make long * wide * thickly be 45cm * 20 cm * 4 * 10
-3The template of cm; Two, two baffle plates are installed in two ends on the template face respectively; Three, with shape-memory polymer and dimethyl formamide (DMF) solvent be 10: 1～0 mixed by volume, stir 5～20min and make mixed solution; Four, processing release paper is laid on the template face; Five, the rod that will suspend is suspended on the top of template; Six, mixed solution in the step 3 is watered on the processing release paper; Seven, adjusting the excellent distance with the template face that suspends is 3 * 10
-3～50 * 10
-3Cm; Eight, the rod that move to suspend repeatedly between two baffle plates of template makes that mixed solution evenly is scattered in a coating in the step 3 on the template face; Nine, the template of completing steps eight is seated in to make thickness behind the stove internal heating curing of antiknock be 3 * 10
-3～50 * 10
-3The shape memory polymer paper of cm.
Foregoing shape memory polymer paper also can adopt following method manufacturing, the steps include: one, the shape-memory polymer solid is seated in the metal die; Two, mould is placed on is heated to 240～280 ℃ under the hot press, keeping hot press pressure is 1 standard atmospheric pressure, continues heating 3～10min when temperature reaches 280 ℃; Three, treat that the complete fusion of shape-memory polymer solid becomes liquid state after, rapidly the temperature of heat of cooling press upper and lower mould is to room temperature, quenching process continues 5～15min, finishes increase pressure to 20 standard atmospheric pressure simultaneously in 5～10s; Four, behind mold pressing 10～40min, take out mould, making thickness is 3 * 10
-3～50 * 10
-3The shape memory polymer paper of cm.
Shape memory polymer paper is as the application of the touch array keyboard of braille paper or blind person and computer interactive, the characteristics of the recoverable and shape memory characteristic of the shape of having utilized shape-memory polymer when transition temperature is above, to have, described shape memory polymer paper is placed on the slate, utilize the pin pen on braille paper, to form impression, form the protruding dot matrix of braille at the another side of shape memory polymer paper, cooling rapidly, the lip-deep impression of shape memory polymer paper or display device has been fixed, on the braille paper clerical error is arranged if find, just can be by the local impression of some heater heating, reach it more than transition temperature, its shape is recovered, finished modification.When wanting to write new braille, also needn't use new braille paper, and only need heat whole shape memory polymer paper, make it more than transition temperature that reaches shape-memory polymer, the impression of shape memory polymer paper will complete obiteration, return to original state, can be more again impression form new braille.Transition temperature with shape memory polymer paper is that critical point realizes refreshing use.With shape memory polymer paper as the touch array keyboard of blind person and computer interactive have simple in structure, save that replace conveniently in space, maintenance, the refreshable advantage that recycles.Shape memory polymer paper can keep for a long time as the application of the touch array keyboard of braille paper or blind person and computer interactive also can repeat to refresh use, make that blind person and visually impaired people are the same with the normal person to carry out continual the interchange with the external world, realized that braille with the recycling of paper, greatly saved resource.
Description of drawings
Fig. 1 is the fundamental diagram of the refreshable touch array keyboard of blind person and computer interactive.
The specific embodiment
The specific embodiment one: as shown in Figure 1, the application of shape memory polymer paper, described refreshable shape memory polymer paper is as the touch array keyboard of braille paper or blind person and computer interactive, described shape memory polymer paper is placed on the slate, utilize the pin pen on braille paper, to form impression, form the protruding dot matrix of braille at the another side of shape memory polymer paper.Shape memory polymer paper is used for being achieved in that the shape memory polymer paper 3 with closure is enclosed between rotating shaft 1 and the rotating shaft 2 on the touch array keyboard of blind person and computer interactive that rotating shaft 2 drives shape memory polymer papers and moves.Near rotating shaft 2 places a pressure head 5 is being arranged, pressure head 5 moves upward under the control of computer, produces impression (projection) below backing plate 6, along with the rotation of rotating shaft, extrudes a series of braille on the polymer paper.The blind person can come and computer interactive by touching these impressions.When shape memory polymer paper had the part of impression to move between close two heaters 4 of rotating shaft 1 bottom, shape memory polymer paper reached transition temperature, and impression disappears.Be moved further, shape memory polymer paper is cooled to room temperature again, when getting back to the pressure head position again, can produce impression again.
The specific embodiment two: the difference of the present embodiment and the specific embodiment one is, described braille paper refreshes like this: with the some heater clerical error on the braille paper is made amendment or with used braille paper be heated to transition temperature with on eliminate original braille on the braille paper, make the braille paper of writing return to original state.Shape-memory polymer is a kind of temperature dependent particular polymer that has, and has unique shape memory function.After arriving transition temperature after the heating, can change shape arbitrarily.Shape-memory polymer can have very big distortion, and such distortion can recover fully.The deformation of shape-memory polymer realizes by heating, humidity, pH value, electric field, magnetic field or illumination.The shape-memory polymer of polyurethane, isocyanates, phenylethylene and epoxy resin can be realized SME by heating exactly.When exceeding the transition temperature of polymer along with the rising of temperature, such shape-memory polymer can form different shape under external force, and after reducing temperature fast, can maintain its new shape that forms, when passing through heating or other type of drive once more, reach its transition temperature when above, it can automatically restore to initial shape and size again again.Described some heater is a simple machine, by lead the battery of 9V, resistance and switch of 0.5W100 Ω coupled together.One end lead of switch links to each other with the terminal of battery and clamps with clip, and the lead that the switch other end picks out links to each other with an end of resistance, and simultaneously, the other end of resistance then links to each other with battery and forms the loop of a closure.When Closing Switch, resistance is closed the circulating current heating in the circuit, when ohmically temperature is higher than the transition temperature of shape memory polymer paper, the point heater just can carry out local heat with the mistake on paper and the braille display device to the shape-memory polymer braille, make polymer reach the deformation recovery temperature, at this moment the projection at clerical error place returns to formation state, realizes the part of clerical error is revised.
The specific embodiment three: the manufacture method of shape memory polymer paper, finish by following steps: one, make long * wide * thickly be 45cm * 20 cm * 4 * 10
-3The template of cm; Two, two baffle plates are installed in two ends on the template face respectively; Three, with shape-memory polymer and dimethyl formamide (DMF) solvent be 10: 1～0 mixed by volume, stir 5～20min and make mixed solution; Four, processing release paper is laid on the template face; Five, the rod that will suspend is suspended on the top of template; Six, mixed solution in the step 3 is watered on the processing release paper; Seven, adjusting the excellent distance with the template face that suspends is 3 * 10
-3～50 * 10
-3Cm; Eight, the rod that move to suspend repeatedly between two baffle plates of template makes that mixed solution evenly is scattered in a coating in the step 3 on the template face; Nine, the template of completing steps eight is placed on to make thickness behind the stove internal heating curing of antiknock be 3 * 10
-3～50 * 10
-3The shape memory polymer paper of cm.
The specific embodiment four: the difference of the present embodiment and the specific embodiment three is that described shape-memory polymer is the thermoplasticity shape-memory polymer of shape memory polyurethane resin, polyurethanes shape-memory polymer, isocyanates shape-memory polymer, phenylethylene shape-memory polymer, epoxies or the thermoset shape memory polymer of epoxies.Difference is to select different polymeric materials for use, and the transition temperature that need be heated to is also different.The polyurethanes shape-memory polymer that the present invention adopts by Japanese MHI company produce, model is MM5520, its glass transition temperature is 55 ℃.
The specific embodiment five: the difference of the present embodiment and the specific embodiment three, four is that the density of described shape memory polyurethane resin is 0.9g/cm
3Adopt such density in manufacture process, easily to solidify.
The specific embodiment six: the difference of the present embodiment and the specific embodiment three, four, five is, the manufacture method of described shape memory polymer paper, described polyurethanes shape-memory polymer is MM3520 or MM5520, and the transition temperature of MM3520 and MM5520 is respectively 36 ℃ and 55 ℃.Such temperature all is very safe to the user and the producer.
The specific embodiment seven: the difference of the present embodiment and the specific embodiment three, four, five, six is, in the step 9, when the coating layer thickness on the template face was 5～20 μ m, solidification temperature was 90～130 ℃, and be 5～10min hardening time.Reasonably help improving the quality of shape memory polymer paper hardening time.
The specific embodiment eight: the difference of the present embodiment and the specific embodiment three, four, five, six, seven is, in the step 9, when the coating layer thickness on the template face was 20～50 μ m, solidification temperature was 50～90 ℃, and be 1～3h hardening time.Reasonably help improving the quality of shape memory polymer paper hardening time.
The specific embodiment nine: the manufacture method of shape memory polymer paper, it is finished like this: one, the shape-memory polymer solid is seated in the metal die; Two, mould is placed on is heated to 240～280 ℃ under the hot press, keeping hot press pressure is 1 standard atmospheric pressure, continues heating 3～10min when temperature reaches 280 ℃; Three, treat that the complete fusion of shape-memory polymer solid becomes liquid state after, rapidly the temperature of heat of cooling press upper and lower mould is to room temperature, quenching process continues 5～15min, finishes increase pressure to 20 standard atmospheric pressure simultaneously in 5～10s; Four, behind mold pressing 10～40min, take out mould, making thickness is 3 * 10
-3～50 * 10
-3The shape memory polymer paper of cm.
The specific embodiment ten: the difference of the present embodiment and the specific embodiment nine is, shape-memory polymer solid in the step 1 is shape memory polyurethane (MM3500) solid, the melt temperature of shape memory polyurethane (MM3500) solid is 240～280 ℃, and melt temperature is easy to control.
Claims (10)
1, a kind of application of shape memory polymer paper is characterized in that the refreshable touch array keyboard of described shape memory polymer paper as refreshable braille paper or blind person and computer interactive.
2, the application of shape memory polymer paper according to claim 1, it is characterized in that described braille paper refreshes like this: with the some heater clerical error on the braille paper is made amendment or with used braille paper be heated to transition temperature with on eliminate original braille on the braille paper, make the braille paper of writing return to original state.
3, a kind of manufacture method of shape memory polymer paper is characterized in that it is to finish according to the following steps: one, make long * wide * thickly be 45cm * 20cm * 4 * 10
-3The template of cm; Two, two baffle plates are installed in two ends on the template face respectively; Three, be 10: 1～0 to mix by volume with shape-memory polymer and solvent dimethylformamide, stir 5～20min and make mixed solution; Four, processing release paper is laid on the template face; Five, the rod that will suspend is suspended on the top of template; Six, mixed solution in the step 3 is watered on the processing release paper; Seven, adjusting the excellent distance with the template face that suspends is 3 * 10
-3～50 * 10
-3Cm; Eight, the rod that move to suspend repeatedly between two baffle plates of template makes that mixed solution evenly is scattered in a coating in the step 3 on the template face; Nine, the template of completing steps eight is seated in to make thickness behind the stove internal heating curing of antiknock be 3 * 10
-3～50 * 10
-3The shape memory polymer paper of cm.
4, the manufacture method of shape memory polymer paper according to claim 3 is characterized in that described shape-memory polymer is the thermoplasticity shape-memory polymer of shape memory polyurethane resin, polyurethanes shape-memory polymer, isocyanates shape-memory polymer, phenylethylene shape-memory polymer, epoxies or the thermoset shape memory polymer of epoxies.
5, the manufacture method of shape memory polymer paper according to claim 4, the density that it is characterized in that described shape memory polyurethane resin is 0.9g/cm
3
6, the manufacture method of shape memory polymer paper according to claim 4 is characterized in that described polyurethanes shape-memory polymer is MM3520 or MM5520.
7, the manufacture method of shape memory polymer paper according to claim 3 is characterized in that in the step 9, and when coating layer thickness on the template face was 5～20 μ m, solidification temperature was 90～130 ℃, and be 5～10min hardening time.
8, the manufacture method of shape memory polymer paper according to claim 3 is characterized in that in the step 9, and when coating layer thickness on the template face was 20～50 μ m, solidification temperature was 50～90 ℃, and be 1～3h hardening time.
9, a kind of manufacture method of shape memory polymer paper is characterized in that it is to finish according to the following steps: one, the shape-memory polymer solid is seated in the metal die; Two, mould is placed on is heated to 240～280 ℃ under the hot press, keeping hot press pressure is 1 standard atmospheric pressure, continues heating 3～10min when temperature reaches 280 ℃; Three, treat that the complete fusion of shape-memory polymer solid becomes liquid state after, rapidly the temperature of heat of cooling press upper and lower mould is to room temperature, quenching process continues 5～15min, finishes increase pressure to 20 standard atmospheric pressure simultaneously in 5～10s; Four, behind mold pressing 10～40min, take out mould, making thickness is 3 * 10
-3～50 * 10
-3Shape memory polymer paper.
10, the manufacture method of shape memory polymer paper according to claim 9 is characterized in that the shape-memory polymer solid in the step 1 is the shape memory polyurethane solid, and the melt temperature of shape memory polyurethane solid is 240～280 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710071852XA CN100549296C (en) | 2007-03-07 | 2007-03-07 | The application of shape memory polymer paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710071852XA CN100549296C (en) | 2007-03-07 | 2007-03-07 | The application of shape memory polymer paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101016708A true CN101016708A (en) | 2007-08-15 |
| CN100549296C CN100549296C (en) | 2009-10-14 |
Family
ID=38725919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710071852XA Expired - Fee Related CN100549296C (en) | 2007-03-07 | 2007-03-07 | The application of shape memory polymer paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100549296C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014055728A1 (en) * | 2012-10-05 | 2014-04-10 | The Procter & Gamble Company | Methods for making fibrous paper structures utilizing waterborne shape memory polymers |
| WO2018076278A1 (en) * | 2016-10-28 | 2018-05-03 | 深圳大学 | Shape memory plastic paper, preparation method therefor and application thereof |
-
2007
- 2007-03-07 CN CNB200710071852XA patent/CN100549296C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014055728A1 (en) * | 2012-10-05 | 2014-04-10 | The Procter & Gamble Company | Methods for making fibrous paper structures utilizing waterborne shape memory polymers |
| US8815054B2 (en) | 2012-10-05 | 2014-08-26 | The Procter & Gamble Company | Methods for making fibrous paper structures utilizing waterborne shape memory polymers |
| US8980057B2 (en) | 2012-10-05 | 2015-03-17 | The Procter & Gamble Company | Fibrous paper structures utilizing waterborne shape memory polymers |
| WO2018076278A1 (en) * | 2016-10-28 | 2018-05-03 | 深圳大学 | Shape memory plastic paper, preparation method therefor and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100549296C (en) | 2009-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ding et al. | 4D rods: 3D structures via programmable 1D composite rods | |
| Roth | Polymer glasses | |
| CN101164770B (en) | Bidirectional shape memory polymer composite material and preparation method thereof | |
| CN105446647A (en) | E-ink book and reading note implementation method and device thereof | |
| Yuan et al. | Multimaterial direct 4D printing of high stiffness structures with large bending curvature | |
| CN100549296C (en) | The application of shape memory polymer paper | |
| CN206892836U (en) | Electronic writing device | |
| CN101082769A (en) | Method for copying surface basso-relievo microstructure based on Darman raster | |
| CN215397458U (en) | Electronic product shell | |
| CN101261775A (en) | A Braille point word display | |
| CN205845215U (en) | A kind of intelligence borrows also book management drift cabinet | |
| Samal et al. | FDM 4D printing: A low-cost approach of shape programming and assessing the shape memory properties using angle measurement methods in hot water actuation testing apparatus | |
| CN208044645U (en) | Internet 3D electrnic house number plates | |
| CN103488344A (en) | Touch panel and touch component | |
| CN109254703A (en) | A kind of thickness cover board capacitive touch screen | |
| Weng et al. | Technological development of advanced asymmetric magnetic soft mold micro-imprint lithography | |
| TW474866B (en) | Process for producing resin molded article and mold used in the process | |
| CN203465695U (en) | Touch panel and touch assembly | |
| CN110796927B (en) | Braille display device based on electrorheological fluid | |
| CN210721371U (en) | Children's exercise keyboard with voice broadcast function | |
| CN211555246U (en) | Braille display device | |
| CN102300432A (en) | Acrylic hot-press molded electronic product shell | |
| CN108024464A (en) | Housing and preparation method, mobile terminal | |
| CN206870487U (en) | A kind of diaphragm | |
| CN208954075U (en) | A kind of thickness cover board capacitive touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20210307 |